mass and weight. what is mass? mass is: a measurement of how much matter is in an object. the...
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MASS AND WEIGHT
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What is mass?
Mass is: A measurement of how much
matter is in an object.
the amount of matter an object has.
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How to Measure Mass?
Mass is usually measured
in kilograms which is
abbreviated as kg.
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Tools for Measuring Mass
The Triple Beam Balance is the tool we use to measure mass.
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Weight
It is the amount of mass of an object, it is dependent upon
gravity.
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Some Tools for Measuring weight
spring balance
electronic scale
beam balance
bathroom scale
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Use this scale to show…
1.5 kg
2.5kg
3.5kg
2kg
Use this scale to show…
225g
375g
625g
975g
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Use this scale to show…
5kg
2.5kg
1.8kg
3.2kg
Use this scale to show…
250g
475g
650g
825g
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Use this scale to show…
0.5kg
1.25kg
2.5kg
3.0kg
Use this scale to show…
150g
450g
750g
950g
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1kg
2kg
Use this scale to show…
0.5kg
1.5kg
2.5kg
3kg
Use this scale to show…
200g
400g
750g
950g
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COMPARE AND CONTRAST MASS vs. WEIGHT
Always remains constant Depends on gravity
Does not depend on gravity weight= mass x gravity
weight of an object changes if the
gravity changes
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Did you know… 1 pound = 453,59 grams 1 ounce = 28.34 grams 1 ounce = 0.0625 pounds 1 ounce = 28 ,349.52 milligrams
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Basic unit: GRAM
Tonnes (1000kg)
Kilograms Hectograms Dekagrams Grams Decigrams Centigrams Milligrams
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Exercise 1:Which one is larger?
1 Pound or 100 Grams 1 Kilogram or 1 Pound 1 Ounce or 1000 Milligrams 1 kilogram or 1500 grams 1200 milligrams or 1 gram 12 milligrams or 12 kilograms 4 kilograms or 4500 grams
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Exercise s:Convert the following units
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Solving problems: Choose the correct answer:
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Some problems…